Looking for a calm, beginner-friendly tarantula that enjoys being handled and appreciates your company?

This isn’t it.

The Orange Baboon Tarantula, affectionately known as the OBT, has earned legendary status for its fiery temperament and impressive threat displays. Fortunately, beneath the reputation lies a fascinating species that creates elaborate web tunnels, displays incredible hunting behaviour, and sports one of the brightest orange colourations in the tarantula world.

Think of it as owning a tiny eight-legged supervillain that redecorates its home overnight and occasionally reminds you who’s really in charge.

Pterinochilus murinus, commonly known as the Orange Baboon Tarantula or OBT, is one of the most recognisable tarantulas in the hobby. Native to eastern Africa, this species inhabits dry scrubland and creates extensive burrow systems lined with thick silk.

The OBT’s fame largely comes from its striking appearance and defensive nature. Vibrant orange legs, a beautifully patterned carapace, and impressive webbing behaviour make this species a true centrepiece in any collection.

Despite its reputation, experienced keepers often find OBTs to be highly predictable when provided with suitable enclosure conditions. Given enough anchor points and substrate, they will quickly create extensive web tunnels and retreats, often remaining visible while sitting proudly at the entrance to their fortress.

As an Old World species, P. murinus lacks urticating hairs and instead relies on speed and defensive displays when threatened. Respectful maintenance and sensible husbandry are essential.

Fast-growing, hardy, and endlessly entertaining, the OBT remains a favourite among experienced tarantula enthusiasts and collectors seeking a visually spectacular display species.

Care Guide

📏 Adult Size

10–15cm leg span

🌍 Origin

Eastern Africa

🏠 Habitat Type

Terrestrial / Heavy Webber

🌡️ Temperature

22–28°C

💧 Humidity

50–65%

🕸️ Webbing

★★★★★
Produces extensive web tunnels and retreats.

🍽️ Feeding Response

★★★★★
Excellent feeding response and enthusiastic hunter.

⚡ Speed

★★★★★
Extremely fast. Exercise caution during maintenance.

😠 Temperament

★★★★★
Defensive and best suited to experienced keepers.

🪴 Enclosure Setup

Provide a dry enclosure with plenty of anchor points such as cork bark, artificial plants, and branches to encourage webbing. A deep substrate layer should be provided to allow burrowing and tunnel construction.

Good ventilation is essential. Avoid keeping the substrate excessively damp.

🍴 Feeding

Offer appropriately sized crickets, roaches, locusts, or other feeder insects once or twice per week depending on specimen size.

Remove uneaten prey after 24 hours.

💦 Water

Provide a clean water dish at all times for juveniles and adults. Occasional overflow of the water dish is sufficient to maintain hydration.

Overall Summary

The Orange Baboon Tarantula is one of the hobby’s true legends. Beautiful, hardy, fast-growing, and capable of creating incredible web structures, it offers endless fascination for experienced keepers.

While its reputation for attitude is well deserved, proper husbandry and respectful handling of maintenance tasks reveal a highly rewarding species that remains one of the most iconic tarantulas in the world.

Not recommended for beginners, but an absolute must-have for experienced Old World enthusiasts.